package com.mune.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.mune.common.constant.ProductConstant;
import com.mune.common.to.SkuHasStockVo;
import com.mune.common.to.SkuReductionTo;
import com.mune.common.to.SpuBoundTo;
import com.mune.common.to.es.SkuEsModel;
import com.mune.common.utils.PageUtils;
import com.mune.common.utils.Query;
import com.mune.common.utils.R;
import com.mune.gulimall.product.dao.SpuInfoDao;
import com.mune.gulimall.product.entity.*;
import com.mune.gulimall.product.feign.CouponFeignService;
import com.mune.gulimall.product.feign.SearchFeignService;
import com.mune.gulimall.product.feign.WareFeignService;
import com.mune.gulimall.product.service.*;
import com.mune.gulimall.product.vo.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
  @Autowired
  SpuInfoDescService spuInfoDescService;
  @Autowired
  SpuImagesService spuImagesService;
  @Autowired
  AttrService attrService;
  @Autowired
  ProductAttrValueService attrValueService;
  @Autowired
  SkuInfoService skuInfoService;
  @Autowired
  SkuImagesService skuImagesService;
  @Autowired
  SkuSaleAttrValueService skuSaleAttrValueService;
  @Autowired
  CouponFeignService couponFeignService;
  @Autowired
  BrandService brandService;
  @Autowired
  CategoryService categoryService;
  @Autowired
  WareFeignService wareFeignService;
  @Autowired
  SearchFeignService searchFeignService;

  @Override
  public PageUtils queryPage(Map<String, Object> params) {
    IPage<SpuInfoEntity> page = this.page(
            new Query<SpuInfoEntity>().getPage(params),
            new QueryWrapper<SpuInfoEntity>()
    );

    return new PageUtils(page);
  }

  @Transactional
  @Override
  public void saveSpuInfo(SpuSaveVo spuVo) {
    // 保存spu基本信息 pms_spu_info
    SpuInfoEntity infoEntity = new SpuInfoEntity();
    BeanUtils.copyProperties(spuVo, infoEntity);
    infoEntity.setCreateTime(new Date());
    infoEntity.setUpdateTime(new Date());
    this.saveBaseSpuInfo(infoEntity);

    // 保存spu描述图片 pms_spu_info_desc
    List<String> decript = spuVo.getDecript();
    SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
    descEntity.setSpuId(infoEntity.getId());
    descEntity.setDecript(String.join(",", decript));
    spuInfoDescService.saveSpuInfoDesc(descEntity);

    // 保存spu图片集 pms_spu_images
    List<String> images = spuVo.getImages();
    spuImagesService.saveImages(infoEntity.getId(), images);

    // 保存spu的规格参数 pms_product_attr_value
    List<BaseAttrs> baseAttrs = spuVo.getBaseAttrs();
    List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
      ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
      valueEntity.setAttrId(attr.getAttrId());
      AttrEntity id = attrService.getById(attr.getAttrId());
      valueEntity.setAttrName(id.getAttrName());
      valueEntity.setAttrValue(attr.getAttrValues());
      valueEntity.setQuickShow(attr.getShowDesc());
      valueEntity.setSpuId(infoEntity.getId());
      return valueEntity;
    }).collect(Collectors.toList());
    attrValueService.saveProductAttr(collect);
    Bounds bounds = spuVo.getBounds();
    SpuBoundTo spuBoundTo = new SpuBoundTo();
    BeanUtils.copyProperties(bounds, spuBoundTo);
    spuBoundTo.setSpuId(infoEntity.getId());
    R r = couponFeignService.saveSpuBounds(spuBoundTo);
    if (r.getCode() != 0) {
      log.error("远程保存spu积分信息失败");
    }
    // 保存spu的积分信息 gulimall_sms->sms_spu_bounds
    List<Skus> skus = spuVo.getSkus();
    if (skus != null && skus.size() > 0) {
      skus.forEach(item -> {
        String defaultImg = "";
        for (Images image : item.getImages()) {
          if (image.getDefaultImg() == 1) {
            defaultImg = image.getImgUrl();
          }
        }
        // sku的基本信息 pms_sku_info
        SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
        BeanUtils.copyProperties(item, skuInfoEntity);
        skuInfoEntity.setSpuId(infoEntity.getId());
        skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
        skuInfoEntity.setSaleCount(0L);
        skuInfoEntity.setBrandId(infoEntity.getBrandId());
        skuInfoEntity.setSkuDefaultImg(defaultImg);
        skuInfoService.saveSkuInfo(skuInfoEntity);

        Long skuId = skuInfoEntity.getSkuId();
        List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
          SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
          skuImagesEntity.setSkuId(skuId);
          skuImagesEntity.setImgUrl(img.getImgUrl());
          skuImagesEntity.setDefaultImg(img.getDefaultImg());
          return skuImagesEntity;
        }).filter(entity -> !StringUtils.isEmpty(entity.getImgUrl())).collect(Collectors.toList());
        // sku的图片信息 pms_sku_images
        skuImagesService.saveBatch(imagesEntities);
        List<Attr> attr = item.getAttr();
        List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
          SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
          BeanUtils.copyProperties(a, attrValueEntity);
          attrValueEntity.setSkuId(skuId);
          return attrValueEntity;
        }).collect(Collectors.toList());
        // sku的销售属性信息 pms_sku_sale_attr_value
        skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
        // sku的优惠、满减等信息 gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
        SkuReductionTo skuReductionTo = new SkuReductionTo();
        BeanUtils.copyProperties(item, skuReductionTo);
        skuReductionTo.setSkuId(skuId);
        if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) > 0) {
          R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
          if (r1.getCode() != 0) {
            log.error("远程保存sku优惠信息失败");
          }
        }

      });
    }
  }


  @Override
  public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
    this.baseMapper.insert(infoEntity);
  }

  @Override
  public PageUtils queryPageByCondition(Map<String, Object> params) {
    QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
    String key = (String) params.get("key");
    if (!StringUtils.isEmpty(key)) {
      wrapper.and(w -> {
        w.eq("id", key).or().like("spu_name", key);
      });
    }
    String status = (String) params.get("status");
    if (!StringUtils.isEmpty(status)) {
      wrapper.eq("publish_status", status);
    }
    String brandId = (String) params.get("brandId");
    if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
      wrapper.eq("brand_id", brandId);
    }
    String catelogId = (String) params.get("catelogId");
    if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(brandId)) {
      wrapper.eq("catelog_id", catelogId);

    }
    IPage<SpuInfoEntity> page = this.page(
            new Query<SpuInfoEntity>().getPage(params)
            , wrapper
    );

    return new PageUtils(page);
  }

  @Override
  public void up(Long spuId) {
    List<SkuInfoEntity> skus = skuInfoService.getSkuBySpuId(spuId);
    List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
    List<ProductAttrValueEntity> bastAttrs = attrValueService.baseAttrListForSpu(spuId);
    List<Long> attrIds = bastAttrs.stream().map(attr -> attr.getAttrId()).collect(Collectors.toList());
    List<Long> searchAttrIds = attrService.selectSearchAttrs(attrIds);
    Set<Long> idSet = new HashSet<>(searchAttrIds);
    List<SkuEsModel.Attrs> attrsList = bastAttrs.stream().filter(item -> {
      return idSet.contains(item.getAttrId());
    }).map(item -> {
      SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
      BeanUtils.copyProperties(item, attrs1);
      return attrs1;
    }).collect(Collectors.toList());
    // TODO 向ware服务发送feign请求获取到是否有库存
    // esModel.hasStock
    Map<Long, Boolean> stockMap = null;
    try {
      R skusHasStock = wareFeignService.getSkusHasStock(skuIdList);
      TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {
      };
      stockMap = skusHasStock.getData(typeReference).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));
    } catch (Exception e) {
      log.error("库存服务查询有错误: {}", e);
    }
    Map<Long, Boolean> finalStockMap = stockMap;
    List<SkuEsModel> upProducts = skus.stream().map(sku -> {
      SkuEsModel esModel = new SkuEsModel();
      BeanUtils.copyProperties(sku, esModel);
      esModel.setSkuPrice(sku.getPrice());
      esModel.setSkuImg(sku.getSkuDefaultImg());
      // TODO 热度评分
      esModel.setHotScore(0L);
      BrandEntity brand = brandService.getById(esModel.getBrandId());
      esModel.setBrandImg(brand.getLogo());
      esModel.setBrandName(brand.getName());
      if (finalStockMap == null) {
        esModel.setHasStock(true);
      } else {
        esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
      }
      CategoryEntity category = categoryService.getById(esModel.getCatalogId());
      esModel.setCatalogName(category.getName());
      // 设置检索属性
      esModel.setAttrs(attrsList);
      return esModel;
    }).collect(Collectors.toList());
    R r = searchFeignService.productStatusUp(upProducts);
    if (r.getCode() == 0) {
      // 远程调用成果
      // 修改当前spu状态为已上架
      this.baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
    } else {
      // 调用失败
      System.out.println("失败了");
    }
  }

  @Override
  public SpuInfoEntity getSpuInfoBySkuId(Long skuId) {
    SkuInfoEntity byId = skuInfoService.getById(skuId);
    Long spuId = byId.getSpuId();
    SpuInfoEntity spuInfoEntity = getById(spuId);
    return spuInfoEntity;
  }

}